Forest Resource in Geographical Management Units
- Overview & State Map
- Explanation of GMUs
- BadAxe - LaCrosse
- Black - Buffalo - Trempeleau
- Central Wisconsin
- Grant - Platte - Sugar - Pecatonica
- Headwaters
- Illinois Fox
- Lakeshore
- Lake Superior
- Lower Chippewa
- Lower Fox
- Lower Rock
- Lower Wisconsin
- Milwaukee River
- Mississippi River
- Root Pike
- Sheboygan
- St. Croix
- Upper Chippewa
- Upper Fox
- Upper Green Bay
- Upper Rock
- Wolf
Grant - Platte - Sugar - Pecatonica GMU
Below are statistics, charts and general information on the Grant - Platte - Sugar - Pecatonica GMU. All chart and map links open in a separate window.
About 70% of land in this GMU is located in Grant, Lafayette, and Green counties whereas 70% of the timberland is located in Grant, Lafayette and Iowa counties. The majority of acreage in this GMU is agricultural with only 14% occupied by forests.
Forest acreage
The area of timberland in the Grant - Platte - Sugar - Pecatonica GMU increased by about 8,500 acres or 4% over the past decade. The most recent survey (2001-2005) indicates that productive forest land makes up about 250,000 acres or 14% of the total land area of the GMU.
View bar chart: Timberland acreage in the Grant - Platte - Sugar - Pecatonica GMU
Forest types
Oak-dominated types, mainly white oak/red oak/ hickory, bur oak and northern pin oak, make up almost half of timberland acreage with sugar maple-dominated types accounting for another 22%. View bar chart: The most important forest types in the Grant - Platte - Sugar - Pecatonica GMU
Growing stock volume
Total growing stock volume in the Grant - Platte - Sugar - Pecatonica GMU is 304.4 million cubic feet.. Bur oak accounts for the highest percent of volume or 14%. Oak species (bur, white, northern red, black and northern pin oak) together make up 37% of all growing stock volume on this GMU.
Ratio of growth to removals
Net annual growth of trees (16.9 million cubic feet) in the Grant - Platte - Sugar - Pecatonica GMU exceeds annual removals (5.2 million cubic feet) by 227%. American and slippery elms account for the highest volume of removals or 45%.
Habitat type
The majority or 62% of timberland in the Grant - Platte - Sugar - Pecatonica GMU is classified as dry mesic to mesic and mesic. Undefined habitat types are common in this GMU most likely due to forestland fragmentation and the influence of agriculture. View pie chart: Major habitat types in the Grant - Platte - Sugar - Pecatonica GMU
Timberland ownership
The vast majority or 96% of the Grant - Platte - Sugar - Pecatonica GMU''s forests remains in private hands with 3% owned by local and state government and 1% by federal agencies.
View pie chart: Ownership of Timberland in the Grant - Platte - Sugar - Pecatonica GMU